Map pins to micro:bit names

Taken from https://github.com/bbcmicrobit/hardware

Author: robyoung

src/gpio.rs

@@ -0,0 +1,72 @@
+//! Named GPIO pin types
+//!
+//! This module maps the GPIO pin names as described in the
+//! [v1.5 schematic](https://github.com/bbcmicrobit/hardware/tree/master/V1.5).
+//! Where appropriate the pins are restricted with the appropriate `MODE`
+//! from `nrf-hal`.
+#![allow(clippy::upper_case_acronyms)]
+use crate::hal::gpio::{p0, Floating, Input, Output, PushPull};
+
+/* GPIO pads */
+pub type PAD1<MODE> = p0::P0_03<MODE>;
+pub type PAD2<MODE> = p0::P0_02<MODE>;
+pub type PAD3<MODE> = p0::P0_01<MODE>;
+
+/* LED display */
+pub type COL1 = p0::P0_04<Output<PushPull>>;
+pub type COL2 = p0::P0_05<Output<PushPull>>;
+pub type COL3 = p0::P0_06<Output<PushPull>>;
+pub type COL4 = p0::P0_07<Output<PushPull>>;
+pub type COL5 = p0::P0_08<Output<PushPull>>;
+pub type COL6 = p0::P0_09<Output<PushPull>>;
+pub type COL7 = p0::P0_10<Output<PushPull>>;
+pub type COL8 = p0::P0_11<Output<PushPull>>;
+pub type COL9 = p0::P0_12<Output<PushPull>>;
+
+pub type ROW1 = p0::P0_13<Output<PushPull>>;
+pub type ROW2 = p0::P0_14<Output<PushPull>>;
+pub type ROW3 = p0::P0_15<Output<PushPull>>;
+
+/* buttons */
+pub type BTN_A = p0::P0_17<Input<Floating>>;
+pub type BTN_B = p0::P0_26<Input<Floating>>;
+
+/* spi */
+pub type MOSI<MODE> = p0::P0_21<MODE>;
+pub type MISO<MODE> = p0::P0_22<MODE>;
+pub type SCK<MODE> = p0::P0_23<MODE>;
+
+/* i2c */
+pub type SCL = p0::P0_00<Input<Floating>>;
+pub type SDA = p0::P0_30<Input<Floating>>;
+
+/* uart */
+pub type UART_TX = p0::P0_24<Output<PushPull>>;
+pub type UART_RX = p0::P0_25<Input<Floating>>;
+
+/* edge connector */
+pub type EDGE01 = COL1;
+pub type EDGE02<MODE> = PAD1<MODE>; // <- big pad 1
+pub type EDGE03 = COL2;
+pub type EDGE04 = BTN_A;
+pub type EDGE05 = COL9;
+pub type EDGE06 = COL8;
+pub type EDGE07<MODE> = PAD2<MODE>; // <- big pad 2
+pub type EDGE08<MODE> = p0::P0_18<MODE>;
+pub type EDGE09 = COL7;
+pub type EDGE10 = COL3;
+pub type EDGE11 = BTN_B;
+pub type EDGE12<MODE> = p0::P0_20<MODE>;
+pub type EDGE13<MODE> = PAD3<MODE>; // <- big pad 3
+pub type EDGE14<MODE> = SCK<MODE>;
+pub type EDGE15<MODE> = MISO<MODE>;
+pub type EDGE16<MODE> = MOSI<MODE>;
+pub type EDGE17<MODE> = p0::P0_16<MODE>;
+// EDGE18 -> +V
+// EDGE19 -> +V
+// EDGE20 -> +V
+pub type EDGE21 = SCL;
+pub type EDGE22 = SDA;
+// EDGE23 -> GND
+// EDGE24 -> GND
+// EDGE25 -> GND

src/lib.rs

@@ -8,6 +8,7 @@ pub use nrf51_hal as hal;
 pub use nb::*;
 
 pub mod display;
+pub mod gpio;
 pub mod led;
 
 #[macro_export]